Automatically detect weird columns.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
This commit is contained in:
Keith Rothman 2018-10-30 13:13:52 -07:00
parent 725aff005c
commit b2672b2884
2 changed files with 57 additions and 24 deletions

View File

@ -2,8 +2,10 @@ export XRAY_DATABASE="artix7"
export XRAY_PART="xc7a50tfgg484-1"
export XRAY_ROI_FRAMES="0x00000000:0xffffffff"
# All CLB's in X0Y2 CMT.
# All CLB's in part, all BRAM's in part, all DSP's in part.
export XRAY_ROI="SLICE_X0Y0:SLICE_X65Y99 SLICE_X0Y100:SLICE_X57Y149 RAMB18_X0Y0:RAMB18_X1Y59 RAMB36_X0Y0:RAMB36_X1Y29 RAMB18_X2Y0:RAMB18_X2Y39 RAMB36_X2Y0:RAMB36_X2Y19 DSP48_X0Y0:DSP48_X1Y59"
# ROI is all of CMT X0Y2.
export XRAY_ROI_GRID_X1="10"
export XRAY_ROI_GRID_X2="58"
# Y = 0 and Y 52 are VBRK rows, include them

View File

@ -30,21 +30,39 @@ proc loc_luts {} {
set lut_index 0
# LOC one LUT (a "selected_lut") into each CLB segment configuration column (ie 50 per CMT column)
set lut_columns ""
foreach lut $luts {
set tile [get_tile -of_objects $lut]
set grid_x [get_property GRID_POINT_X $tile]
set grid_y [get_property GRID_POINT_Y $tile]
regexp "SLICE_X([0-9]+)Y([0-9]+)/" $lut match slice_x slice_y
# Only even SLICEs should be used as column bases.
if { $slice_x % 2 != 0 } {
continue
}
# 50 per column => 50, 100, 150, etc
# ex: SLICE_X2Y50/A6LUT
# Only take one of the CLBs within a slice
if {[regexp "X.*[02468]Y(?:.*[05])?0/" $lut] || $lut == "SLICE_X44Y125/A6LUT" || $lut == "SLICE_X46Y125/A6LUT"} {
puts $lut
set cell [get_cells roi/luts[$lut_index].lut]
set_property LOC [get_sites -of_objects $lut] $cell
set lut_index [expr $lut_index + 1]
lappend selected_luts $lut
set y_column [expr ($slice_y / 50) * 50]
dict append lut_columns "X${slice_x}Y${y_column}" "$lut "
}
# Pick the smallest Y in each column.
dict for {column luts_in_column} $lut_columns {
set min_slice_y 9999999
foreach lut $luts_in_column {
regexp "SLICE_X([0-9]+)Y([0-9]+)/" $lut slice_x slice_y
if { $slice_y < $min_slice_y } {
set selected_lut $lut
}
}
puts $selected_lut
set cell [get_cells roi/luts[$lut_index].lut]
set_property LOC [get_sites -of_objects [get_bels $selected_lut]] $cell
set lut_index [expr $lut_index + 1]
lappend selected_luts [get_bels $selected_lut]
}
return $selected_luts
}
@ -57,20 +75,38 @@ proc loc_brams {} {
set bram_index 0
# LOC one BRAM (a "selected_lut") into each BRAM segment configuration column (ie 10 per CMT column)
set bram_columns ""
foreach bram $brams {
set tile [get_tile -of_objects $bram]
set grid_x [get_property GRID_POINT_X $tile]
set grid_y [get_property GRID_POINT_Y $tile]
regexp "RAMB36_X([0-9]+)Y([0-9]+)/" $bram match slice_x slice_y
# 10 per column => 10, 20, ,etc
# ex: RAMB36_X0Y10/RAMBFIFO36E1
if {[regexp "Y.*0/" $bram] || $bram == "RAMB36_X1Y25/RAMBFIFO36E1"} {
set cell [get_cells roi/brams[$bram_index].bram]
set_property LOC [get_sites -of_objects $bram] $cell
set bram_index [expr $bram_index + 1]
lappend selected_brams $bram
}
set y_column [expr ($slice_y / 10) * 10]
dict append lut_columns "X${slice_x}Y${y_column}" "$bram "
}
# Pick the smallest Y in each column.
dict for {column brams_in_column} $lut_columns {
set min_slice_y 9999999
foreach bram $brams_in_column {
regexp "RAMB36_X([0-9]+)Y([0-9]+)/" $bram match slice_x slice_y
if { $slice_y < $min_slice_y } {
set selected_bram $bram
}
}
puts ""
puts $selected_bram
set cell [get_cells roi/brams[$bram_index].bram]
set_property LOC [get_sites -of_objects [get_bels $selected_bram]] $cell
puts $selected_bram
set bram_index [expr $bram_index + 1]
lappend selected_brams [get_bels $selected_bram]
}
return $selected_brams
}
@ -134,11 +170,6 @@ proc write_brams { selected_brams } {
proc run {} {
make_project
set selected_luts [loc_luts]
puts ""
puts ""
puts ""
puts ""
puts ""
puts "Selected LUTs: [llength $selected_luts]"
set selected_brams [loc_brams]
puts "Selected BRAMs: [llength $selected_brams]"